A new study reinforces the link between ADHD and pyrethroid, a class of pesticide used frequently in homes.

The study by Cincinnati Children’s, published in the journal Environmental Health, took a look at data from 687 children, ages eight to 15. Random urine samples from this group showed boys with detectable pyrethroids were three times as likely to have ADHD; girls were not.

Dr. Tanya Froehlich – pediatrician and lead author of the study – said, “Our findings may be of considerable public health importance.”

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